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Round|Lab Grown|IGI

1.09ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG689560534

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689560534

Diamond specifications and retailer prices

From $196 SGD
$153 USD
As of October 29, 2026
Save $1,137 SGD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,333 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG689560534 or 689560534. Listed at 20 retailers as of October 29, 2026, with prices from $196 to $1,333, a $1,137 spread on the same certified stone. Reve Diamonds lists it at $1,333. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.09
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689560534
Dimensions6.64 × 6.66 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.64 mm6.66 mm1.09 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689560534
Side View
Table 61.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $421 SGD|Low: $153 SGD|High: $1,333 SGD|Avg: $577 SGD|+7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
October 30, 2026
Retailer 4$196 SGD
Retailer 2$219 SGD
Retailer 12$242 SGD
Retailer 14$242 SGD
Retailer 7$396 SGD
Retailer 1$421 SGD
Retailer 13$442 SGD
Retailer 9$472 SGD
Retailer 11$557 SGD
Retailer 10$638 SGD
Retailer 6$652 SGD
Retailer 15$658 SGD
Retailer 5$779 SGD
Retailer 3$849 SGD
Retailer 8$1,138 SGD
Reve Diamonds$1,333 SGD

44 data points across 16 retailers

20 retailers$196 SGD to $1,333 SGD

Retailer 1
-
$193 SGD
$151 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$196 SGD
$153 USD
View
A
Retailer 3
-
$219 SGD
$171 USD
View
Final sale: no returns
Retailer 4
-
$225 SGD
$176 USD
View
Price last confirmed 38 days ago
Retailer 5
-
$237 SGD
$185 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$242 SGD
$189 USD
View
A
Retailer 7
-
$242 SGD
$189 USD
View
A
Retailer 8
-
$396 SGD
$310 USD
View
B+
Retailer 9
-
$421 SGD
£259 GBP
View
B+
Retailer 10
-
$442 SGD
$346 USD
View
B+
Retailer 11
-
$472 SGD
€352 EUR
View
B+
Retailer 12
-
$557 SGD
$436 USD
View
B
Retailer 13
-
$638 SGD
A$768 AUD
View
B+
Retailer 14
-
$652 SGD
$510 USD
View
B
Retailer 15
-
$658 SGD
$515 USD
View
Retailer 16
-
$772 SGD
$604 USD
View
Price last confirmed 39 days ago
B
Retailer 17
-
$779 SGD
$609 USD
View
B
Retailer 18
-
$849 SGD
$664 USD
View
B
Retailer 19
-
$1,138 SGD
£701 GBP
View
Most Expensive
B
Reve Diamonds
8D9EC4786 · Oct 30
$1,333 SGD
$1,043 USD
View
19 more retailers have this diamond
Prices start from $196 SGDSave up to $1,137 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.09ct Round
$196 SGD